Your favourite music is NOT in one device. It is scattered around in your multiple devices like smartphone, tablet, laptop, pen-drives, micro SD cards, non-Bluetooth devices like MP3 Players & desktops or is even played on your favourite FM radio channels. Portronics Sublime III is extremely VERSATILE, giving you multiple options to play your music. It allows you to connect any these music sources through Bluetooth, AUX-IN, SD Card and USB with OTG cable. You can simply changes modes by press of a button. It will announce and display the current mode for your convenience. Sublime III also gives you great convenience of hands-free phone calls. With in-built mic and speakerphone facility so you can take/reject/end calls coming to your smartphone. You can end or deny calls very easily and continue with your favourite songs without missing a note. Sublime III is a perfect blend of very high VERSATILITY, good looks, robust design & premium sound quality.